#631E0F#631E0F

#631E0F is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.2% C 0.103 H 33.8°. Best body text is #FFFFFF at 12.19:1 contrast (WCAG AA passes).

Color values

HEX	#631E0F
RGB	rgb(99, 30, 15)
HSL	hsl(11, 74%, 22%)
HSV	hsv(11, 85%, 39%)
CMYK	cmyk(0%, 69.7%, 84.8%, 61.2%)
CIE-LAB	lab(22.36, 30.33, 26.40)
CIE-LCH	lch(22.36, 40.20, 41.04°)
OKLab	oklab(34.22% 0.0855 0.0573)
OKLCH	oklch(34.22% 0.103 33.8)
XYZ	xyz(5.6967, 3.6165, 0.8499)
Luminance	0.0362 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631E0F #0F5463

analogous

#630F2A #631E0F #63480F

triadic

#631E0F #0F631E #1E0F63

tetradic

#631E0F #2A630F #0F5463 #480F63

square

#631E0F #2A630F #0F5463 #480F63

split-complementary

#631E0F #0F6348 #0F2A63

monochromatic

#1B0804 #2E0E07 #631E0F #982E17 #CD3E1F

Accessibility & contrast

On white

12.19

#631E0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#631E0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631E0F

12.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631E0F	#FFFFFF	#000000	##FFFFFF
##631E0F	1.00	12.19	1.72	12.19
#FFFFFF	12.19	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322C0D

Deuteranopia (green-blind)

#433B0C

Tritanopia (blue-blind)

#6E0A1B

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #631e0f;
/* rgb */ color: rgb(99, 30, 15);
/* oklch */ color: oklch(34.2% 0.103 33.8);

Tailwind

colors: {
  custom: {
    50: '#965e4e',
    500: '#631e0f',
    950: '#000000',
  },
}

SCSS

$custom: #631e0f;
$custom-light: #965e4e;
$custom-dark: #000000;

JSON

{
  "hex": "#631e0f",
  "rgb": {
    "r": 99,
    "g": 30,
    "b": 15
  },
  "hsl": {
    "h": 10.714,
    "s": 73.684,
    "l": 22.353
  },
  "oklch": {
    "l": 0.34224,
    "c": 0.10297,
    "h": 33.8
  },
  "luminance": 0.03616
}

Semantic roles & 50–950 ramp

primary

#631E0F

secondary

#32899C

accent

#CFF037

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0F0401

muted

#7E7977

Preview Lab

Preview with #631E0F

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →